Delibra Tools
Strength1RM
A focused 1RM calculator for strength training. Estimate your one-rep max from weight and reps in seconds.
Why Strength1RM
- Estimate 1RM quickly with kg/lb support
- Compare proven formulas: Brzycki, Epley, O'Conner, Lombardi, Mayhew
- Get practical load guidance based on your estimate
- Share your results with one tap
For training guidance only. Not medical advice.